| Bulletin Date: | Jan. 21, 2021 |
| Component: | Electrical system |
| Bulletin Summary: | On certain 2020 & 2021 wonder models the firefly multiplex panel requires a software update to version 3. 1. 2. The multiplex panel will try to prime the generator if the furnace is "on" when the battery disconnect is turned "off". Sop2839 |
| Vehicles covered in this TSB: |
2021 Triple E Rv Wonder,
2020 Wonder W24ftb,
2020 Wonder W24mb,
2020 Wonder W24rtb.
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